6150% is the change from 8 to 500
Calculation steps:
[( 500 - 8 ) ÷ 8] x 100 = 6150%
Formula
Percentage change = [(500 - 8) / 8] x 100
Subtract the new number by the original number
500 - 8 = 492
492 ÷ 8 = 61.5
61.5 x 100 = 6150%
Example